demoform.cpp

《基于Symbian OS的手机开发与应用实践》这本书的配套源码。

/*  Copyright (c) 2004, Nokia. All rights reserved */

// INCLUDE FILES
#include "DemoForm.h"
#include <GuiCtrls.rsg>
#include <akntitle.h> // for title pane
#include <eikspane.h>
#include <avkon.hrh>
// ================= MEMBER FUNCTIONS =========================================

TInt CDemoForm::RunLD()
    {
    CDemoForm* form = new(ELeave) CDemoForm();
    CleanupStack::PushL( form );
    form->ConstructL();
    CleanupStack::Pop();
    return form->ExecuteLD(R_GUICTRLS_DEMO_FORM_DIALOG);
    }

TBool CDemoForm::SaveFormDataL()
    {
    if ( ControlOrNull( EDialogLine1 ) )
        {
        GetEdwinText( iName, EDialogLine1 );
        }
    if ( ControlOrNull( EDialogLine2 ) )
        {
        iAge = NumberEditorValue( EDialogLine2 );
        }
    if ( ControlOrNull( EDialogLine3 ) )
        {
        iMobile = NumberEditorValue( EDialogLine3 );
        }
    if ( ControlOrNull( EDialogLine4 ) )
        {
        iFax = NumberEditorValue( EDialogLine4 );
        }

    return ETrue;
    }

void CDemoForm::DoNotSaveFormDataL()
    {
    if ( ControlOrNull( EDialogLine1 ) )
        {
        SetEdwinTextL( EDialogLine1, &iName );
        }
    if ( ControlOrNull( EDialogLine2 ) )
        {
        SetNumberEditorValue( EDialogLine2, iAge );
        }   
    if ( ControlOrNull( EDialogLine3 ) )
        {
        SetNumberEditorValue( EDialogLine3, iMobile );
        } 
    if ( ControlOrNull( EDialogLine4 ) )
        {
        SetNumberEditorValue( EDialogLine4, iFax );
        } 
    }

void CDemoForm::PostLayoutDynInitL()
    {
    DoNotSaveFormDataL();
    }

// ----------------------------------------------------------------------------
// CDemoForm::QuerySaveChangesL()
// Show save query. If user answers "No" to this query.
// return field value to the value which is before editing.
// This is called Back-softkey when edit mode.
// ----------------------------------------------------------------------------
//

TBool CDemoForm::QuerySaveChangesL()
    {
    return CAknForm::QuerySaveChangesL();

    // Or use the following code to save form data with confirm.
    //SaveFormDataL();
    //return ETrue;
    }

TBool CDemoForm::OkToExitL(TInt aButtonId)
{
    TBool ret = CAknForm::OkToExitL(aButtonId);
    if (ret)
        {
        CEikStatusPane* sp = iEikonEnv->AppUiFactory()->StatusPane();
        CAknTitlePane* title = (CAknTitlePane*)sp->ControlL( TUid::Uid( EEikStatusPaneUidTitle ) );
        title->SetTextToDefaultL();
        }
    return ret;
}
// End of File